Machine of the turret type for turning and like operations.



N H. AUSTIN.

MACHINE OF THE TURRET 'I YPE FOR TURNING AND LIKE OPERATIONS.

APPLICATION FILED FEB. 2, 1912. l 076,73%. Patented 00t.28,1913.

*-{ '7 SHEETSSHEET 1.

jig?! H. AUSTIN.

momma 01? THE TURRET TYPE E011 TURNING AND LIKE OPERATIONS.

APPLICATION FILED $1313.51. 1912.

Patented Get. 28, 1 Q 13.

'i' SHlBETS-SIlEET 2.

H. AUSTIN,

MACHINE OF THE TURRET TYPE FOR TURNING AND LIKE OPERAlIONS.

APPLICATION l-ILED THIS. 2, 1912.

I SHEETS-$111113? 4.

O O O 0 O O C) O H. AUSTIN.

MACHINE OF THE TURRET TYLb FOR TURNING AND LIKE OPERATIONS APPLICATIONFILED FEB.2,1912.

1,076,734 Patented 00t.28,1913.

JFK/1 Y MM;

H. AUSTIN.

MACHINE OF THE TUHRBT TYPE FOR TURNING AND LIKE OPERATIONS.

' APPLICATION FILED FEB. 2. 1912.

LUMJM L Patented Oct 28, 1913.

7 SHEETS-- SHEET 7.

HERBERT AUSTIN, OF BROMSGROVE, ENGLAND.

MACHINE OF THE TURRET TYPE FOR TURNING AND LIKE OPERATlONS.

Application filed February 2,1912.

Specification of Letters Patent.

Patented Oct. 28, 1913. Serial No. 674,872.

To all whom it may concern Be it known that I. Hinnnnrr .h s'rin, a lsubject of the King of Great Britain, and l residing at Bromsgrove, inthe county ofl Worcester, England, engineer. have invented certain newand useful improvements in Machines of the Turret Type for Turning andlike Operations, of which the following is a specification.

My invention relates to machines of the turret type for turning and likeoperations, and consists in the novel construction, arrangement andcombination of various devices and parts, as hereinafter moreparticularly described.

In order that the invention, in respect of all its features, may beclearly understood, I will proceed to describe the same by reference tothe drawings herewith, which show, y way of example, a convenientpractical a pplication thereof.

Of these drawings: Figure 1 shows a longitudinal section through theturret, turret saddle, cam for operating the turret saddle, and theinner end of the arm of a cam for operating the locking and turningdevices for the turret. Fig. 2 is a sectional plan taken in the planeindicated by the line 00 w of Fig. 1. Fig. 3 is a side elevation of thecam for operating the locking and turning devices for the turret,showing also the hinder end of the saddle and the rollers of the lockingand turning devices which are operated by the cam. Fig. 4 is a rear endview of the turret saddle and the cam for operating the locking andturning devices for the saddle. Fig. 5 is a sectional plan of a portionof a clamping device for use in locking the turret. Fig. 6 is a plan ofmechanism for insuring that the turret will be located correctly as tothe position to which it is turned before being clamped down. Fig. 7 isa view showing spread-out into a plane the surface of the cam whichoperates the turret saddle. Fig. 8 is a view, showing spread-out into aplane, the surface of a cam of which the o posite side edges operate,respectively, the locking and turn" ing devices for the turret. Fig. 9is an outer on view of a cross-slide and outer side view of the saddleby which it is carried, showing the means by which the saddle isoperated by the turret saddle. Fig. 10 is a transverse section throughone side of the lathe bed showing an end view of the saddle for thecr0ss-slide with the crossrslide can therefrom and fixed thereto by lried thereon. Fig. 11 is a plan View, partly in section, of the saddlewhich carries the cross-slide; and, Fig. 12 isa view showing, mechanismby which the shaft is operated which operates the cross-slide.

T will first describe. by aid of the drawings, the improvements firstabove described, and in doing so will refer to Figs. 1 to 8 inclusive. Ais the turret saddle, B the turret, C the bed along which the turretsaddle slides. and D the revolving barrel with which is formed a camgroove 03 with which an anti-friction roller (2, carried by a stud a ofthe saddle. engages. The cam roove (Z extends for such distance onlylengt wise as is suflicient to move back the saddle to clear any turrettool from the work, and a portion ll of the groove (1, at the rear endof the barrel D, runs for such distance simply cir-' caimferentiallyaround the barrel as to hold back the turret for the time required tounlock and turn the turret and lock it again. This formation of the camgroove (Z is clearly indicated by Fig. 7. Sliders E and E, .for use in,respectively, unlocking and turning the turret, are carried in suitableguides of the saddle A and are each provided with an anti-frictionroller e 6, respectively. A cam F which is carried on the end of an armF, being conveniently formed so arately olts, is formed with one of itsedges f to operate against the roller e to move the slider E in adirection to unlock the turret, and with another edge f to operateagainst the roller 6 and move the slider E in a direction to turn theturret, the slider E being moved against the force of a s rin e by whichit is returned, and the slider being moved against the force of a spring6 by which it is also returned. The mechanisms by which the locking andthe turning of the turret may be eii'cted, may be of any known orconvenient character which can be 0 rated such as from the sliders E andE. ccording to a convenient method which is. shown for locking andunlocking the turret, a slider'Gr, which is suitably guided in thesaddle, as shown, is formed with reels-teeth g which gear with a piniong (see Fig. 5) on a spindle g which carries a cam gf, and this camoperates a rod g in a direction to tighten a locking-ring g, around thetarret in a manner to clamp it down; and on the inner end of the spindleg is a crank having a crank'pin g which, when the an the barrel D iscarried by the slider M.

die, as strewn,

locking is being effected moves, against the force of a spring, alocking-pin 9 (see Fig. 6) out of oneor other of a number of recesseswhich are spaced equally apart around the turret, this pin and theserecesses being so shaped, as shown, that as the pin enters a recess itwill insure that the turret will be brought into the exact angularposition required before it'is clamped down by the ring 9 According to aconvenient method which is shown, for turning the turret when unlocked,a hook-ended link H adapted to engage its hooked end in succession witha number ofstuds h of the turret, is pivoted at its inner end to aslider J which is operated by the slider E and is suitably guided withinthe saddle, as shown. The forward end of the link H has an inclinedsurface it to adapt it to ride over a stud h during its outwardmovement, and to allow the link to yield outward in doing so, and thento return into the position which enables it to engage with the stud asthe link is drawn back again, the link is formed with a backwardextension k the'end of which is connected by means of a spring h with apin it which is carried by and is near to the back end of the slider J,whereby the link is returned to its operative position immediately itshooked end has ridden over a stud.

I will now describe, by the aid of the drawings, the improvementsecondly above described, and in doing so, will refer to Figs. 1 and 2of the drawings herewith- A screw K is carried at its hinder end in abearing a of the turret saddle in such manner that it cannot moveendwise in relation to the saddle. The endway movement is prevented,

' as'shown, by a collar is of the screw which is immediately behind thebearing (1 and a pinion 7c of the pin which is-immediately at the frontof such bearing. The screw K is screwed through a slider M which issuitably guided along the bed C, and this slider consequently travelswith the saddle. The roller a which engages with the groove (3 of Thepinion it gears at opposite sides with pinions 2: 79 which,respectively, surround sliding shafts e, c of the lockirfg and turningdevices, respectively, and these shafts are slidable through theirrespective pinions, each pinion carrying a key which is a sliding it wia long keyv groove of the cor- Tri shaft. The pinions k are situatedbetween fixed abutment-s of the sadwhich insures that they will in samepositions in redlle, notwithstanding that respectively, so that suchshafts are capable of being turned in relation thereto. By turning'thescrew-pin K, the endway position of the turret saddle in relation to theslider M, may be varied as required, andmay be consequently varied inrelation to the position of the roller (1. which engages with the camgroove (7. As the pin K is turned, the pinions k 70 are also turned andthus the -shafts e, 6 are screwed along within the sliders E, E,respectively, moving such sliders correspondingly within their guides.The screw-threads of the shafts e, e, are the opposite hand to thescrewthread of the pin K, and thus to whatever extent the saddle ismoved in one direction endwise in relation to the roller a, the slidersE, E, are moved the same distance in the opposite direction, therebymaintaining their relation to the cam F by which they are themselvesoperated.

Describin now the improvement thirdly above descri ed, 1 will refer toFigs. 9 to 12, inclusive. N- is a hollow saddle, upon which is slidablymounted a cross-slide P for operating a tool at one side of the work.The cross-slide P is provided with a rack P at its underside, with whichgears a pinion 1? carried upon a short spindle 7) which is journaled inopposite sides of the saddle, and the pinion P is carried upon a shaftQ. which passes slid ably through bearings in opposite sides f thesaddle and is rotatable therein, the pinion P being provided with afeather key which is a sliding fit within a long keygroove of the shaftQ. Thisshaft Q, is driven by any well known or convenient mechanism,such as that hereinafter described. The saddle is moved, either in oneor both directions, endwise of the bed, as may be required, by movementsof the turret saddle A a small portion of which only is shown. Alongitudinal bar It is adjustably fixed at one end to the turret saddle,and, if it is required that the saddle N shall be moved in bothdirections by the turret saddle, the bar R passes right through andbeyond the saddle N, as shown. The bar R is formed with two shoulders r,and on the ends of the spindle p which project from the opposite sidesof the saddle N are fixed, respectively, arms 70'. As the spindle p isturned in a direction to move in the crossslide P, one of the arms :12is turned down into the path of one of the shoulders r, and then, as thesaddle A moves toward the saddle N one of the shoulders 0" comes againstthis arm p and moves the saddle N, during any further movement of thesaddle A, in the same direction, and as moved outward again the otherarm is moved up into the path of the other shoulderand then as turretsaddle A moves back it brings the other shoulder 1 against driven by apinion P the cross-slide is til) misuse the other arm 39 and thus drawshack the saddle N. "When the arms are clear of the shoulders anymovements of the turret saddle will have no efi'ect upon the saddle N.if it is simply intended that the turret saddle shall push the saddle N,and that such latter saddle shall be returned by hand, a single arm onlyis required upon the spindle 7), and the end of the bar B may come upagainst this arm to push the saddle N, the bar entering a hole thereforin the saddle N when the arm is back and, in such aalisei imparting nomovement to the sad- According to convenient means of operating theshaft Q in opposite directions of rotation, which are shown b Fig. 12, atoothed quadrant S gears with a. pinion T on one end of the shaft, andthis quadrant is formed with a downwardly extending lever S on the endof which is an anti-fric-' tion roller 8 carried by a stud. This rollerengages with a cam groove u of a cam U, during a portion of therevolution of the cam, and is operated thereby in the manner required,and during the remaining portion of the revolution of the cam, theroller is out of the cove and remains at rest. The cam itself is formedas a toothed disk, and is driven by a pinion from the main spindle ofthe machine, or in any convenient manner. The groove u is provided bymeans of adjustable cam plates which are fixed against the face of thedisk in themanner indicated. If a cross slide is to be operated at theopposite side of the machine also, a second quadrant such as S and arm Swould be used, an anti-friction roller on the end of the arm engagingwith a cam at the back face thereof, similarly as the arm S is shown toengage at the front face thereof.

It now remains to describe, by the aid of the drawings, the improvementfourthly above described, in doin which I will refer to Figs. 9 and 10of t e drawings. The toothed rack P of the cross slide P is slidablyfitted within the slide, such as within -grooves 1) thereof. The rearend of the rack is formed with 2. lug a which stands up therefrom, and astud V is vscrewed tightly into the rear end of the slide P and passesthrough the lug 'v. The slide may he moved endwise into any positionrequired in relation to the rack, and then securely held in suchposition which are screwed upon the stud at opposite faces of the lug.

Having fully described my invention, what I claim. and desire to secureby Letters Patent, is

1. In a machine of the turret type for turni and like operations, aturret carrying sa die, a cam engaged therewith and operating the saddleendwise, part of said engagement being inoperative when the sadby meansof nuts to w dl'e is inits backward position, locking and turning meansfor the turret, and a cam having a face which, while the saddle remainsstationary in its backward position, operates the locking mechanism tounlock the turret, and a face which, while the saddleremains stationaryin its backward position, operates the turning mechanism and turns theturret.

2. In a machine of the turret type for turning and like operations, aturret carrying saddle, a cam engaged therewith and operating the saddleendwise, part of said engagement being inoperative when the saddle is inits backward position, locking and turning means for the saddle, aspindle which is carried by the saddle, and is screwed through aslidable portion of the saddle which engages with the cam whereby theposition of the saddle'in relation to the cam may be adjusted, screwedspindles of the locking and turning mechanisms, respectively, by whichthe eli'ective length of such mechanisms may be adjusted, and saidspindles gearing with the spindle foradjusting the saddle whereby, asthe position of the saddle is adjusted in relation to the cam, theturret locking and turning mechanisms are adjusted in relation to thesaddle.

3. In a machine of the turret type for turn ing and like operations, aturret saddle, a

saddle carrying a cross-slide, a sideway opening in the saddle of thecross-slide, a bar carried by the turret saddle and capable of movingwithin the opening of the cross-slide saddle as the turret saddle moves,a movable stop-piece which, as the cross-slide is moved in one directiontransversely of the machine, comes across a portion of the bar andinsures that the movement of the turret saddle will move the saddle ofthe cross-slide.

4:. In a machine of the turret type for turning and like operations, aturret saddle. a saddle carrying a cross-slide, a sideway opening in thesaddle of the cross-slide, a bar which passes through the opening of thecross-slide saddle, shoulders of said bar, and movable stop-pieces oneof which, as the cross-slide is moved in, comes into the paths of onewhich as the cross-slide is moved out comes into the path of the otherof the shoulders, whereby it is insured that the turret saddle will movethe cross-slide saddle in both di rcctions.

5. In a machine of the turret type for turning and like operations, aturret saddle, a saddle carrying a cross-slide, a sideway opening in thesaddle of the cross-slide a bar carried by the turret saddle and capableof moving within the opening of the crossslide saddle as theturretsaddle moves. a spindle mounted in the cross-slide saddle, meansfor turning such spindle in opposite directions, a movable stop-piececarriedhy of the shoulders and the other of the spindle and operatedthereby to bring the stop-piece across a portion of said bar as thecross-slide is moved in one direction transversely of the machine, and apinion of 5 such spindle which gears with a rack of the cross-slide tomove the slide toward and from the axis of the machine. i

6. In a machine of the turret type for} turning and like operations, inwhich the turret turns about a vertical axis, a turret i carryingsaddle, a cam engaged therewith: and operating the saddle endwise, partof said engagement being inoperative when the l saddle is in itsbackward position, rods; mounted in the turret saddle and slidable]longitudinally thereof, locking and turning l i the saddle remainsstationar means for the turret which are operated 'by the said rodsrespectively, a cam having a face which While the turret saddle remainsstationary in its backward position operates one of the said rods andthereby unlocks the turret, and a cam having a face which while in itsbackward position operates the ot er of the said rods and thereby turnsthe turret.

In witness whereof I have hereunto signed my name this 12th day ofJanuary 1912 in the presence of two subscribing witnesses.

HERBERT AUSTIN.

Witnesses:

ERNEST HARPER, ROBERT G. Gnovns.

Copies of this patent may be Commissioner of Patents,

Washington, D. C."

